Home / 180,269.16-270,009.60-91,370.04

Finding the Fourth Proportional to 180,269.16, 270,009.60 and 91,370.04

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Solution

The fourth proportional to 180,269.16, 270,009.60 and 91,370.04 is: 136,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,269.16 : 270,009.60 = 91,370.04 : x
  2. Step 2: Convert to fraction form
    180,269.16/270,009.60 = 91,370.04/x
  3. Step 3: Cross multiply
    180,269.16x = 270,009.60 × 91,370.04
  4. Step 4: Simplify right side
    180,269.16x = 24,670,787,952.38
  5. Step 5: Solve for x
    x = 24,670,787,952.38/180,269.16
  6. Step 6: Final answer
    x = 136,855.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.